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Vitaly Bogomolov vb64

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  • Russia, Saratov
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@vb64
vb64 / queryset2csv.py
Created July 21, 2022 19:23
import io
import csv
def queryset2csv(qset):
"""Converts a Django queryset to the content of a csv file."""
out = io.StringIO()
writer = csv.writer(out, delimiter=';', lineterminator='\n')
for row in qset:
writer.writerow([row.field1, row.field2, ...])
@vb64
vb64 / csv_download.py
Created July 21, 2022 19:17
from django.contrib.admin.views.main import ChangeList
...
def csv_download(self, request):
"""View for data download taking into account custom filters and sortings."""
clist = ChangeList(
request,
self.model,
self.list_display,
@vb64
vb64 / change_list.html
Created July 21, 2022 19:00
{% extends "admin/change_list.html" %}
{% block content %}
<div><a href="csv/?{{ request.GET.urlencode }}">Data download</a></div>
{{ block.super }}
{% endblock %}
@vb64
vb64 / modeladmin.py
Created July 21, 2022 18:54
from django.urls import path
from django.http import HttpResponse
from django.contrib import admin
class Admin(admin.ModelAdmin):
"""Admin model with data download option."""
def get_urls(self):
"""Add own view to the standard admin views for data download.